Hi,
how to create bridge betwean two ports in rb750 using Switch tab in Winbox? I don’t want to use master-port option and bridge. Only switch vlans.
Switch vlans in mt are hard to understand 
Why not use master-port?
It is hard to tell you exact what to use in the switch chip without knowing your entire setup since messing with the switch chip rules can have a lot of unintended consequences.
You may need to use the command line - not all switch options are available in Winbox. What exactly are you trying to do?